71371521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12979}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 113393280

約数和(自身を除く): 42021759

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 12979, 38937, 116811, 168727, 506181, 610013, 1518543, 1830039, 5490117, 7930169, 23790507, 71371521]

約数ペア:

[(1, 71371521), (3, 23790507), (9, 7930169), (13, 5490117), (39, 1830039), (47, 1518543), (117, 610013), (141, 506181), (423, 168727), (611, 116811), (1833, 38937), (5499, 12979)]